1792 Hymenoptera in America North of Mexico 



Taxonomy: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 91-93, figs. 1, 27-28, 56, map. 13 



(redescription). 

 Biology: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 92-93 (floral relationships). 

 lewisorum Thorp. Calif. Pollen: Collects pollen from flowers of the genus Clarkia including C. 

 breweri, C. concinna, C. cylindrica, C. douglasiana, C. dudleyana, C. unbricata, C. 

 purpurea, C. speciosa, C. unguiculata, C. williamsonii, C. xantiana, but visits these and 

 other flowers for nectar including Baccharis, Cryptantha flaccida, Datura, Enogonum 

 fasciculatum, Hemizonia kelloggii, Lonicera interrupta. Mini ul us, Ranuncuhis 

 occidentalis, Rhamnus californica. 

 Andrena (Diandrena) lewisorum Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 72, figs. 1, 13-14, 

 56, 61, 73, map 3. 9,6. 



Biology: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 73-74 (floral relationships). — MacSwain, 

 Raven and Thorp, 1973. Calif. Univ. Pubs. Ent. 70: 10-13, fig. 1 (floral relationships). 

 macswaini Linsley. Calif. (San Joaquin Valley). Pollen: Collects pollen from the flowers of 

 Camissonia campestris campestris and C. sierrae sierrae, but visits these and other 

 flowers for nectar including Camissonia boothii decorticans, Erodium, Isomeris 

 arborea, Malacothrix californica. 

 Andrena (Diandrena) macswaini Linsley, 1960. Pan-Pacific Ent. 36: 97. 9, 6 . 



Taxonomy: Linsley and MacSwain, 1961. Pan-Pacific Ent. 37: 36 (tax characters). —Thorp, 

 1969. Calif. Univ. Pubs. Ent. 52: 102-105, figs. 1, 37-38, 56, 66, 78, map 10 (redescription). 



Biology: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 105 (floral relationships). —Linsley, 

 MacSwain, Raven and Thorp, 1973. Calif. Univ. Pubs. Ent. 71: 24-26, 50, pi. 2, fig. 11 (nest 

 architecture, floral relationships). 

 malacothricidis Thorp. South. Calif.; Mexico (Baja California). Pollen: Collects pollen from 

 stephanomerine Compositae, primarily Malacothrix including M. californica, M. 

 glabrafa, but visits other flowers including Anisocoma acaulis, Calochortus, 

 Camissonia campestris campestris. Convolvulus malacophyllus, Cryptantha, 

 Descourainia sophia. Euphorbia albomarginata, Lasthenia chrysostoma, Linanthus 

 aureus, Phacelia ciliata. 

 Andrena (Diandrena) malacothricidis Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 113, figs. 1, 

 47-48, 56, map 11. 9, cJ. 



Biology: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 115-116 (floral relationships). 

 nothocalaidis (Cockerell). B. C. to north. Calif., east to Wyo. and Colo. Pollen: Collects pollen 

 from flowers of ligulate Compositae, primarily Microseridinae including Agoseris glauca, 

 Microseris nutans, Nothocalais cuspidata, Taraxacum officinale, but visits other 

 flowers for nectar including Antenyiaria, Camissonia tanacetifolia tanacetifolia, Crepis 

 occidentalis, Erigeron, Lepidium, Mimulus. 

 Diandrena nothocalaidis Cockerell, 1905. Biol. Soc. Wash., Proc. 18: 183. 9, cJ. 



Taxonomy: Linsley and MacSwain, 1961. Pan-Pacific Ent. 37: 33-35 (tax. characters and 

 status). —Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 105-107, figs. 1, 39-40, 56, map 11 

 (redescription). 



Biology: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 107 (floral relationships). 

 olivacea Viereck. Ariz, to south. Nev. and south. Calif. Pollen: Collects pollen almost 



exclusively from the flowers of stephanomerine Compositae, primarily Anisocoma 

 acaulis and Malacothrix including M. californica, M. glabrata, but visits other flowers 

 including Agoseris heterophylla. Astragalus, Baileya, Calycoseris wrightii, Camissonia 

 campestris. Coreopsis bigelovii, C. californica, Cryptantha barbigera, Encelia farinosa, 

 Fallugia paradoxa, Geraea canescens, Hemizonia, Hyptis emoryi, Layia glandulosa, 

 Phacelia, Rafinesquia neomexicana. Predator: Lestomyia sp. 

 Andrena (Parandrena) olivacea Viereck, 1916. Acad. Nat. Sci. Phila., Proc. 68: 590. 9,6. 



Taxonomy: Linsley and MacSwain, 1961. Pan-Pacific Ent. 37: 35 (tax. characters). —Thorp, 

 1969. CaHf. Univ. Pubs. Ent. 52: 88-91, figs. 1, 25-26, 56, 64, 76, map 7 (redescription). 



Biology: Thorp, 1969. Calif. Univ. Pubs. Ent. 52: 91 (floral relationships). 



